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题目内容
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spinner的实现方式有()
A.使用Adapter
B.使用entries属性指定显示数组
C.使用array属性指定显示数据
D.使用src属性指定显示的数据
参考答案和解析
生成一个ArrayAdapter,用于Spinner下拉列表的内容。;通过adapter.setDropDownViewResource()方法设置下拉列表样式。;使用Spinner.setAdapter(adapter)方法将数据源绑定。;使用Spinner.setOnItemSelectedListener()方法响应下拉列表的选择。
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